Senior Fullstack Software Engineer
Builds and improves end-to-end product journeys for user onboarding, feature discovery, and adoption at Postman. Requires 8+ years full-stack experience with React/Next.js, strong product sense, and data-driven decision making.
About the job
What You’ll Do
- Own and improve key product journeys from sign-up through onboarding, feature discovery, and purchase
- Build and refine user experiences that help developers and teams quickly understand and realize the value of Postman
- Design and implement features that drive adoption of core platform capabilities across different user types (individuals, teams, and AI-assisted workflows)
- Partner closely with Product, Design, and Data to identify opportunities and prioritize improvements across the user journey
- Use experimentation and analytics to inform decisions and validate the impact of changes
- Develop a deep understanding of how developers use Postman—individually and collaboratively—and apply those insights to improve the product
- Iterate quickly, delivering thoughtful, incremental improvements that compound over time
- Contribute to the evolution of our onboarding and discovery systems as the product and customer base continue to grow
About You
Must have:
- 8+ years of experience building frontend or full-stack applications with a focus on product and user experience
- Strong fundamentals in JavaScript, HTML, and CSS; experience with modern frameworks like React or Next.js
- Track record of building and improving product experiences that drive user engagement and adoption
- Experience using data, analytics, or experimentation to guide product decisions
- Strong product sense and attention to detail—you care deeply about how things work and feel
- Ability to take ownership of ambiguous problem spaces and drive them to clear outcomes
- Excellent communication skills and experience collaborating across functions
- Curiosity about how developers work, and a desire to build tools that make them more effective
Nice-to-have:
- Experience with full-stack JavaScript / TypeScript
- Experience with state management tools like MobX
- Experience working on B2B products, developer tools, or AI-powered experiences
- Experience working in a fast-paced, startup environment
Skills
JavaScript, React, Next.js, HTML, CSS, TypeScript, Mobx
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